Follow the instructions.
First thing you need to do is that you click on the following URL: http://www.videolan.org/vlc/
Now you should see a large button on the front page that says “Download VLC”. Click that button and install the downloaded program when the download is complete.
Note: This program works for both Mac OS X and Windows.
Now you’re ready to proceed to step 2:
/Anton B. Zeuthen
Disclaimer: Have in mind that i can’t be held responsible for any lawsuits, fine etc. you will get for getting busted downloading. I neither link to any illegal websites. Note that these services should strictly be used for movies of which you already own a legal and bought copy!